Home / 9,867.99-13,617.60-5,890.08

Finding the Fourth Proportional to 9,867.99, 13,617.60 and 5,890.08

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Solution

The fourth proportional to 9,867.99, 13,617.60 and 5,890.08 is: 8,128.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,867.99 : 13,617.60 = 5,890.08 : x
  2. Step 2: Convert to fraction form
    9,867.99/13,617.60 = 5,890.08/x
  3. Step 3: Cross multiply
    9,867.99x = 13,617.60 × 5,890.08
  4. Step 4: Simplify right side
    9,867.99x = 80,208,753.41
  5. Step 5: Solve for x
    x = 80,208,753.41/9,867.99
  6. Step 6: Final answer
    x = 8,128.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.